body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    width: 80%;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.task-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.task-table thead tr {
    background-color: #3498db;
    color: #fff;
    font-weight: bold;
}

.task-table th, .task-table td {
    padding: 12px;
    text-align: center;
    border: 1px solid #ddd;
}

.task-table th {
    border-bottom: 3px solid #3498db;
}

.task-table tr:nth-of-type(even) {
    background-color: #ecf0f1;
}

.table-header {
    width: 16%; /* Adjust as needed */
}

.status-not-completed {
    color: red;
}

.status-not-graded {
    color: orange;
}

.status-completed {
    color: green;
}

button {
    background-color: #2ecc71;
    border: none;
    color: white;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 4px;
}

button:hover {
    background-color: #27ae60;
}

img {
    cursor: pointer;
    width: 30px;
    height: 30px;
}